104 lines
3.6 KiB
PHP
Executable File
104 lines
3.6 KiB
PHP
Executable File
<?php
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/**
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* GNU social - a federating social network
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*
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* ActivityPubPlugin implementation for GNU Social
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package GNUsocial
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @copyright 2018 Free Software Foundation http://fsf.org
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link https://www.gnu.org/software/social/
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*/
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if (!defined('GNUSOCIAL')) {
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exit(1);
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}
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/**
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* Inbox Request Handler
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*
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* @category Plugin
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* @package GNUsocial
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://www.gnu.org/software/social/
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*/
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class apInboxAction extends ManagedAction
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{
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protected $needLogin = false;
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protected $canPost = true;
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/**
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* Handle the Inbox request
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*
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* @author Diogo Cordeiro <diogo@fc.up.pt>
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* @return void
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*/
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protected function handle()
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{
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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ActivityPubReturn::error('Only POST requests allowed.');
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}
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common_debug('ActivityPub Inbox: Received a POST request.');
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$data = file_get_contents('php://input');
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common_debug('ActivityPub Inbox: Request contents: '.$data);
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$data = json_decode(file_get_contents('php://input'), true);
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if (!isset($data['actor'])) {
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ActivityPubReturn::error('Actor not found in the request.');
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}
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$actor = ActivityPub_explorer::get_profile_from_url($data['actor']);
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$actor_public_key = new Activitypub_rsa();
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$actor_public_key = $actor_public_key->ensure_public_key($actor);
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common_debug('ActivityPub Inbox: HTTP Signature: Validation will now start!');
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$headers = $this->get_all_headers();
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common_debug('ActivityPub Inbox: Request Headers: '.print_r($headers, true));
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// TODO: Validate HTTP Signature, if it fails, attempt once with profile update
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common_debug('ActivityPub Inbox: HTTP Signature: Authorized request. Will now start the inbox handler.');
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try {
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new Activitypub_inbox_handler($data, $actor);
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ActivityPubReturn::answer();
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} catch (Exception $e) {
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ActivityPubReturn::error($e->getMessage());
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}
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}
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/**
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* Get all HTTP header key/values as an associative array for the current request.
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*
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* @author PHP Manual Contributed Notes <joyview@gmail.com>
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* @return string[string] The HTTP header key/value pairs.
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*/
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private function get_all_headers()
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{
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$headers = [];
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foreach ($_SERVER as $name => $value) {
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if (substr($name, 0, 5) == 'HTTP_') {
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$headers[strtolower(str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5))))))] = $value;
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}
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}
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return $headers;
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}
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}
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